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Mathematics 54 Online
OpenStudy (anonymous):

Wayne used the diagram to compute the distance from Ferris, to Dunlap, to Butte. How much shorter is the distance directly from Ferris to Butte than the distance Wayne found?

OpenStudy (anonymous):

OpenStudy (mertsj):

have you heard of the pythagorean theorem?

OpenStudy (anonymous):

No

OpenStudy (mertsj):

square the legs of the right triangle shown. Add those numbers together. Take the square root. That will be the missing side of the triangle. Then you can figure out which is greater and by how much.

OpenStudy (anonymous):

i dont know how to do any of that.

OpenStudy (mertsj):

What class are you taking?

OpenStudy (anonymous):

math

OpenStudy (mertsj):

So calculus, I guess. Because that is math.

OpenStudy (anonymous):

15^2 + 20^2 = c^2 20^2 = 400 e square root to get the correct distance

OpenStudy (anonymous):

ugh but now what

OpenStudy (mertsj):

So the missing side is 20. Now look at your picture.

OpenStudy (mertsj):

225+400= 625 and the square root of 625 is 25 so the missing side is 25.

OpenStudy (anonymous):

thank you so much so the answer is B .

OpenStudy (mertsj):

If he goes the long way that would be 15+20 or 35. The short way is 25. So if he goes the long way, it is 35-25 or 10 longer

OpenStudy (mertsj):

The answer is 10. That is choice C

OpenStudy (anonymous):

kk

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